674040130391 has 2 divisors, whose sum is σ = 674040130392. Its totient is φ = 674040130390.

The previous prime is 674040130333. The next prime is 674040130427. The reversal of 674040130391 is 193031040476.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674040130391 is a prime.

It is a super-3 number, since 3×674040130391³ (a number of 36 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674040130301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337020065195 + 337020065196.

It is an arithmetic number, because the mean of its divisors is an integer number (337020065196).

Almost surely, 2^674040130391 is an apocalyptic number.

674040130391 is a deficient number, since it is larger than the sum of its proper divisors (1).

674040130391 is an equidigital number, since it uses as much as digits as its factorization.

674040130391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 674040130391 in words is "six hundred seventy-four billion, forty million, one hundred thirty thousand, three hundred ninety-one".